my_name = 'Zed A. Shaw'
my_age = 35 # not a lie
my_height = 74 # inches
my_weight = 180 # libs
my_eyes = 'Blue'
my_teeth = "White"
my_hair = 'Brown'

print (f"Let's talk about {my_name}.")
print (f"He's {my_height} inchs tall.")
print (f"He's {my_weight} pounds heavy.")
print ("Actually that's not too heavy.")
print (f"He's got {my_eyes} eyes and {my_hair} hair.")
print (f"His teeth are usually {my_teeth} depending on the coffee.")

# this line is tricky, try to get it exactly right
total = my_age + my_height + my_weight
print (f"If I add {my_age}, {my_height}, and {my_weight} I get {total}.")
#巩固练习
print ("another exercise")
name = 'Zed A. Shaw'
age = 35 # not a lie
height = 74 * 2.54 # cm
weight = 180 * 0.45359237 # kg
eyes = 'Blue'
teeth = "White"
hair = 'Brown'

print (f"Let's talk about {name}.")
print (f"He's {height} cm tall.")
print (f"He's {weight} kg heavy.")
print ("Actually that's not too heavy.")
print (f"He's got {eyes} eyes and {hair} hair.")
print (f"His teeth are usually {teeth} depending on the coffee.")

# this line is tricky, try to get it exactly right
total = age + height + weight
print (f"If I add {age}, {height}, and {weight} I get {total}.")
